From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Kandagatla Subject: [PATCH v3 3/4] dt-bindings: ASoC: Add WSA881x bindings Date: Fri, 9 Aug 2019 14:34:06 +0100 Message-ID: <20190809133407.25918-4-srinivas.kandagatla@linaro.org> References: <20190809133407.25918-1-srinivas.kandagatla@linaro.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190809133407.25918-1-srinivas.kandagatla@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: vkoul@kernel.org, broonie@kernel.org Cc: bgoswami@codeaurora.org, plai@codeaurora.org, pierre-louis.bossart@linux.intel.com, robh+dt@kernel.org, devicetree@vger.kernel.org, lgirdwood@gmail.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Srinivas Kandagatla List-Id: devicetree@vger.kernel.org This patch adds bindings for WSA8810/WSA8815 Class-D Smart Speaker Amplifier. This Amplifier also has a simple thermal sensor for over temperature and speaker protection. Signed-off-by: Srinivas Kandagatla --- .../bindings/sound/qcom,wsa881x.txt | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,wsa881x.txt diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa881x.txt b/Documentation/devicetree/bindings/sound/qcom,wsa881x.txt new file mode 100644 index 000000000000..d2aeb5c58d30 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wsa881x.txt @@ -0,0 +1,24 @@ +Bindings for Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier + +WSA8810 is a class-D smart speaker amplifier and WSA8815 is a high-output +power class-D smart speaker amplifier. This amplifier uses SoundWire +digital audio as primary interface. + +Required properties with SoundWire Interface: + +- compatible: Should be textual representation of SoundWire Enumeration + address. + Refer to soundwire/slave.txt for details. + Should be "sdw0110217201000" for WSA8810 + +- pd-gpios: Should be phandle and gpio pair for + Powerdown/Shutdown pin. +- #thermal-sensor-cells: Should be 0 + +Example: + +spkr_left:wsa8810-left{ + compatible = "sdw0110217201000"; + #thermal-sensor-cells = <0>; + ... +}; -- 2.21.0